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Finding the Third Proportional to 10,695.80 and 15,565.29

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Solution

The third proportional to 10,695.80 and 15,565.29 is: 22,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.80 : 15,565.29 = 15,565.29 : x
  2. Step 2: Convert to fraction form
    10,695.80/15,565.29 = 15,565.29/x
  3. Step 3: Cross multiply
    10,695.80x = 15,565.29 × 15,565.29
  4. Step 4: Simplify right side
    10,695.80x = 242,278,223.60
  5. Step 5: Solve for x
    x = 242,278,223.60/10,695.80
  6. Step 6: Final answer
    x = 22,651.72

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.